#include <iostream>
using namespace std;

struct V{
    int a,b,c;
    void show(){
        cout<<a<<" "<<b<<" "<<c<<endl;
    };
};

int main(){
    V v={2,3,4};
    v.show();
    v.a=1;
    v.b=1;
    v.c=1;
    v.show();
    return 0;
}
